HomeFish encyclopediaRay-finned fishesCatfishNorth American freshwater catfishesLerma catfish Lerma catfish (Ictalurus dugesii) Scientific name: Ictalurus dugesii Bean, 1880 The Lerma catfish (Ictalurus dugesii) is a freshwater fish of the family Ictaluridae. Native range: Central America, Turbio and Ayuquila rivers, Mexico. Species factsScientific nameIctalurus dugesiiFamilyIctaluridae (North American freshwater catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)EnvironmentFreshwater; demersalClimateTropicalDistributionCentral America: Turbio and Ayuquila rivers, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: highly commercialResilienceVery Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026